The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 2016
Filed:
Feb. 28, 2014
Discovery Technology International, Inc., Sarasota, FL (US);
Valentin Zhelyaskov, Sarasota, FL (US);
Mark Oudshoorn, Parrish, FL (US);
Serhiy Petrenko, Kiev, UA;
Discovery Technology International, Inc., Sarasota, FL (US);
Abstract
A pressure-assisted precision purge valve system is provided in an evaporative emission control system that provides flow of fuel vapor-air mixture from a fuel tank to an intake manifold. The pressure-assisted precision purge valve system comprises an absorbent canister through which the fuel vapor-air mixture flows, a purge valve configured to regulate flow of the fuel vapor-air mixture to the intake manifold and a fuel vapor pump configured to provide a forced flow to the purge valve dependent on a system differential pressure. The output of the purge valve can be connected to an upstream injection point and/or a downstream injection point of a forced induction device.